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2005-11-01add zeroextend predicate->integerDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24131 91177308-0d34-0410-b5e6-96231b3b80d8
2005-11-01Add a flag to enable a darwin linker optimizationChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24130 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Make constant pool entries use private labels. This is important when you'reChris Lattner
not compiling a whole program at a time :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24129 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Updated alpha known problems.Andrew Lenharth
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24126 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Apparently these do pass on some alphasChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24125 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Fix an iterator invalidation problem in code used by the -strip passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24124 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Limit the search depth of MaskedValueIsZero to 6 instructions, to avoidChris Lattner
bad cases. This fixes Markus's second testcase in PR639, and should seal it for good. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24123 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Emit itinerary class in instruction info.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24122 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31Generate cpu to itinerary map.Jim Laskey
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24121 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31these tests fail on alpha for some reasonChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24120 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-311. Embed and not inherit vector for NodeGroup.Jim Laskey
2. Iterate operands and not uses (performance.) 3. Some long pending comment changes. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24119 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-31add FP compares and implicit register defs to the dag iselDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24118 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30Update Getting Started for Visual Studio page.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24117 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30Significantly simplify this code and make it more aggressive. Instead of havingChris Lattner
a special case hack for X86, make the hack more general: if an incoming argument register is not used in any block other than the entry block, don't copy it to a vreg. This helps us compile code like this: %struct.foo = type { int, int, [0 x ubyte] } int %test(%struct.foo* %X) { %tmp1 = getelementptr %struct.foo* %X, int 0, uint 2, int 100 %tmp = load ubyte* %tmp1 ; <ubyte> [#uses=1] %tmp2 = cast ubyte %tmp to int ; <int> [#uses=1] ret int %tmp2 } to: _test: lbz r3, 108(r3) blr instead of: _test: lbz r2, 108(r3) or r3, r2, r2 blr The (dead) copy emitted to copy r3 into a vreg for extra-block uses was increasing the live range of r3 past the load, preventing the coallescing. This implements CodeGen/PowerPC/reg-coallesce-simple.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24115 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24112 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30Reduce the number of copies emitted as machine instructions byChris Lattner
generating results in vregs that will need them. In the case of something like this: CopyToReg((add X, Y), reg1024), we no longer emit code like this: reg1025 = add X, Y reg1024 = reg 1025 Instead, we emit: reg1024 = add X, Y Whoa! :) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24111 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30If the module has no t-t and the host is an alpha, default to using the Alpha BEChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24110 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30fix some broken comparisons, this affected the Pattern isel too.Duraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24109 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30The pass was removed, but the spirit lives onChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24108 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30This is implementedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24107 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30Codegen mul by negative power of two with a shift and negate.Chris Lattner
This implements test/Regression/CodeGen/PowerPC/mul-neg-power-2.ll, producing: _foo: slwi r2, r3, 1 subfic r3, r2, 63 blr instead of: _foo: mulli r2, r3, -2 addi r3, r2, 63 blr git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24106 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24103 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30Fix a problem that Nate noticed with LSR:Chris Lattner
When inserting code for an addrec expression with a non-unit stride, be more careful where we insert the multiply. In particular, insert the multiply in the outermost loop we can, instead of the requested insertion point. This allows LSR to notice the mul in the right loop, reducing it when it gets to it. This allows it to reduce the multiply, where before it missed it. This happens quite a bit in the test suite, for example, eliminating 2 multiplies in art, 3 in ammp, 4 in apsi, reducing from 1050 multiplies to 910 muls in galgel (!), from 877 to 859 in applu, and 36 to 30 in bzip2. This speeds up galgel from 16.45s to 16.01s, applu from 14.21 to 13.94s and fourinarow from 66.67s to 63.48s. This implements Transforms/LoopStrengthReduce/nested-reduce.ll git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24102 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-30new testcaseChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24099 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Revert an accidental commit.Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24098 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29More files deleted.Jeff Cohen
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24097 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Make -time-passes output prettierChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24096 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Make negative immediates in patterns work correctly, silence some warningsChris Lattner
building the itanium backend. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24095 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29add some FP stuff, some mix.* stuff, and constant pool support to theDuraid Madina
DAG instruction selector, which should be destroyed one day (in the pattern isel also) since ia64 can pack any constant in the instruction stream git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24094 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Fix <> in htmlChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24093 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29First hack-and-slash on the release notes. Comments and improvements welcomeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24092 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Remove the lowerconstantexprs passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24091 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29This pass is now obsolete since all targets have moved to the SelectionDAGChris Lattner
infrastructure and the simple isels have been removed. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24090 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Remove the LowerConstantExpressionsPass passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24089 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29remove reference to this passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24088 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Basic updatesChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24087 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Buh bye Expression.(cpp|h)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24086 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29remove a dead fileChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24085 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29remove a dead headerChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24084 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Remove dead #includeChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24083 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Now that instcombine does this xform, remove it from the -raise passChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24082 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Pull some code out into a function, give it the ability to see through +.Chris Lattner
This allows us to turn code like malloc(4*x+4) -> malloc int, (x+1) git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24081 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29add shladdDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24080 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29test for the formation of shladdDuraid Madina
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24077 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-29Remove a special case, allowing the general case to handle it. No functionalityChris Lattner
change. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24076 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28New case to handle somedayNate Begeman
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24075 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28Switch more code over to using getValueAsListOfDefs. Look at all the -'s. :)Chris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24074 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28Don't emit "32" for unordered comparisonChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24073 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28Rename Record::getValueAsListDef to getValueAsListOfDefs, to more accuratelyChris Lattner
reflect what it is. Convert some more code over to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24072 91177308-0d34-0410-b5e6-96231b3b80d8
2005-10-28Use the new interface Jim addedChris Lattner
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@24071 91177308-0d34-0410-b5e6-96231b3b80d8
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